<template>
  <el-dialog :title="titleMap[mode]" v-model="visible" destroy-on-close @closed="$emit('closed')"
             :close-on-press-escape="mode != 'show' ? false : true" fullscreen>
    <el-container>
      <el-header>
        <div class="left-panel">
          <div style="font-size: 16px;">选择打印模板：</div>
          <el-select v-model="form.template_id" clearable filterable placeholder="请选择模板" @change="templateChange">
            <el-option v-for="item in templateList" :key="item.id" :label="item.name" :value="item.id"/>
          </el-select>
        </div>
        <div class="right-panel">
          <div class="right-panel-search">
            <el-button type="success" plain @click="toPrint">打印</el-button>
            <el-button type="success" plain @click="preview">预览</el-button>
            <el-button type="success" plain @click="pdf">下载PDF</el-button>
          </div>
        </div>
      </el-header>
      <el-main style="height: 810px;overflow: auto;overflow-x: hidden;">
        <sc-editor-print ref="editor" v-model="content" placeholder="请输入"></sc-editor-print>
      </el-main>
    </el-container>
    <el-footer style="text-align: right;position: fixed;bottom: 0;right: 0;left: 0;padding: 10px 20px;background: #fff;border-top: 1px solid #eee;">
      <el-button @click="visible = false">取 消</el-button>
    </el-footer>
  </el-dialog>
</template>

<script>
import tinymce from 'tinymce/tinymce'
import store from "@/store";
// import { saveAs as FileSaver } from 'file-saver'
export default {
  emits: ['success', 'closed'],
  data() {
    return {
      dialog: {
        client: false
      },
      mode: "add",
      titleMap: {
        add: '打印',
        edit: '打印',
        show: '打印'
      },
      visible: false,
      isSaveing: false,
      form: {
        id: 1,
        template_id: '',
      },
      templateList: [],
      MenuName: '',
      content:''
    }
  },
  mounted() {
    let MenuName = store.state.print.MenuName
    if (MenuName) {
      this.MenuName = MenuName
    }
    this.getTemplate()
  },
  beforeUnmount() {
    console.log('销毁')
    tinymce.remove()
  },
  methods: {
    //显示
    open(mode = 'add') {
      this.mode = mode;
      this.visible = true;
      return this
    },
    /**模板选中事件*/
    templateChange() {
      this.setData()
    },
    /**获取打印模板*/
    async getTemplate() {
      var res = await this.$API.print.template.all.get({MenuName: this.MenuName});
      this.templateList = res.data
      if (this.templateList.length > 0) {
        this.form.template_id = this.templateList[0].id
        this.setData()
      }
    },
    //表单注入数据
    async setData() {
      var res = await this.$API.print.template.printContant.get(this.form);
      this.content = res.data.content
      this.handleContent()
    },
    /**获取打印数据id*/
    getId(data) {
      this.form.id = data
    },
    /**打印按钮点击*/
    toPrint() {
      tinymce.activeEditor.execCommand('mceprint');
    },
    /**预览*/
    preview() {
      tinymce.activeEditor.execCommand('mcePreview');
    },
    /**下载pdf点击*/
    async pdf() {
      let obj = {
        export: 1,
        ...this.form
      }
      var res = await this.$API.print.template.printContant.get(obj);
      if (res.code == 1) {
        // const that = this
        // var oReq = new XMLHttpRequest()
        // var URL= res.data.pdf_url // URL 为URL地址
        // oReq.open('GET', URL, true)
        // oReq.responseType = 'blob'
        // oReq.onload = function() {
        // var file = new Blob([oReq.response], {
        //     type: 'blob'
        // })
        // FileSaver.saveAs(file, that.name) // that.name为文件名
        // }
        // oReq.send()
        const fileUrl = res.data.pdf_url;
        window.open(fileUrl, '_blank')
        // const link = document.createElement("a");
        // link.href = fileUrl;
        // link.download = fileUrl;
        // link.click();
      } else {
        this.$alert(res.message, "提示", {type: "error"});
      }
      console.log(res);
    },
    handleContent() {
      tinymce.activeEditor.setContent(this.content)
      this.$nextTick(() => {
        if (this.$refs.editor && this.$refs.editor.EditorOnsize) {
          this.$refs.editor.EditorOnsize()
        }
      })
    },
  }
}
</script>

<style lang="scss">
.el-input-group__append {
  padding: 0 8px;
}
</style>
